U4479B TEMIC [TEMIC Semiconductors], U4479B Datasheet - Page 3

• Manufacturer Part Number: U4479B
• Description: DVB-Cable IF Converter and Full Multi-Standard Video-/Sound IF Processing
• Manufacturer: TEMIC [TEMIC Semiconductors]

TELEFUNKEN Semiconductors
Rev. A2, 14-Jan-98
Pin Description
Absolute Maximum Ratings
*) Equivalent to discharging a 200-pF capacitor through a 0-
Supply voltage
Supply current
Power dissipation, V
Output currents
Junction temperature
Storage temperature
Electrostatic handling *)
C
C
AGC,SIF
AGC,IF
V
V
C
V
V
GND
V
V
R
V
I
C
Ref
i,SIF
i,SIF
i,IF1
i,IF1
out
i,IF2
i,IF2
top
tun
bl
10
12
14
11
13
1
2
3
4
5
6
7
8
9
Figure 2. Pinning
S
= 5.5 V
Parameters
14530
Preliminary Information
21
19
18
17
16
15
26
25
24
23
22
28
27
20
AGC
V
V
V
V
V
V
GND
V
LF
V
V
V
V
o,AM
AFC
o,FM
S
vco
vco
freq
sw
LO
tun
mod
Ref
W
22, 23
9, 10
1, 2
5, 6
Pin
resistor
11
12
13
14
15
16
17
18
19
20
21
24
25
26
27
28
3
4
7
8
Symbol
V
P
T
I
V
I
T
ESD
out
tot
stg
S
S
j
C
C
AGC
Symbol
V
AGC,SIF
V
V
V
V
GND
V
GND
V
V
AGC,IF
V
C
V
V
R
V
V
I
C
o,AM
LF
o,FM
V
i,SIF
i,IF1
i,IF2
AFC
mod
tun
freq
Ref
top
out
LO
vco
tun
sw
bl
s
Ref
SIF input (symmetrical)
Internal reference voltage (BG)
SIF-AGC (time constant)
IF1 input (symmetrical)
IF-AGC (time constant)
Ground
IF2 input (symmetrical)
Take over point, tuner AGC
Tuner AGC output current
CVBS or 2nd IF output
Capacitor – black level detector
IF input selector switch
Modulation switch
VCO frequency switch
External VCO tuning voltage
Loop filter
Local oscillator output voltage
Ground
VCO circuit (symmetrical)
Supply voltage
AFC output
AF output – AM sound
Intercarrier output
AGC reference for DVB
operation
–25 to +125
Value
100
550
125
tbd
5.5
5
Function
U4479B
Unit
mW
mA
mA
V
V
C
C
3 (11)